A randomized 25 question test from a pool of 761 questions, good luck!
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems based on a mathematical expression and is available to be used on data frames too large for any other method of error checking?
There are many options to choose from for alarm states. Which of the following alarm states can be best described as when the alarm clears due to the process before the operator has time to respond to it?
There are numerous threats to the security of a DCS. Which of the security measures below would used be to prevent unauthorized changes from an operator?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage transitions to represent logic states?
A modern DCS needs to be able to respond to growing demands. Which of the terms below is best defined as the measure of a system's ability to increase or decrease in performance and cost in response to changes in application and system processing demands.
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and DSL be used primarily?
There are many options to choose from for alarm states. Which of the following alarm states can be best described as the initial alarm state when it has been tripped?
The OSI model describes how a network should be arranged. Which of the layers below defines the media access method and the message frame structure?
The data link layer of the OSI manages access to be able to transmit data. Which of the answers below represents a all typical access method?
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that licensing would be required for most applications?
Due to the uncomplicated nature of the Modbus frame structure, it requires a simple access method. Which of the access methods below is a method that this frame structure supports?
Providing power to remote sites in a SCADA system has several difficulties associated with it. Which of the answers below would be best defined as one that is used for continuous power generation where there are no other options?
There are an assortment of numbers on the typical protocol header. Which of the answers below denotes the header number that identifies the systems application/service for receiving or transmitting data?
Which of the lengths below relates best to a spur cable with 4 field devices connected?
A DDE protocol has 3 components to a "handle". Which of the components below would best be described as the name of a unique data source is contained inside of a DDE server application ?
Which one is best described as connecting the input signal of a device, with the output of the converter itself?
The numerous tasks that are accomplished at the same time in a DCS, is a result of the configured software programs that it has . Which of the software programs below will governed by IEC-61804-2?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the NIC interacts with?
The industrial network topologies you are required to use is defined by the OSI network model. Which of the common topologies below is likely described as a network that has a single common channel that connects to all the nodes in the network individually?
Model based network devices are at the user level of Ethernet/IP. Information of a devices type and classification would be contained in which of the text files below?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the switch interacts with?
Which answer below best represent the approximation of the total amount of errors in an analog field communications transmission?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best be used with analog values that require a significant degree of accuracy?
There are many options to choose from for alarm attributes. Which of the following alarm attributes would best be described as an alarm that is cleared after the process has been normalized for a period of time?
There are several stages in the alarm lifecycle. Which of these stages is the alarm system tested and replacements done if required?